131924-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131924-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,2 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131924-15:
(8*1)+(7*3)+(6*1)+(5*9)+(4*2)+(3*4)+(2*1)+(1*5)=107
107 % 10 = 7
So 131924-15-7 is a valid CAS Registry Number.
131924-15-7Relevant articles and documents
A process for preparing naphthalene derivatives
-
, (2008/06/13)
A novel process for preparing a naphthalene derivative of the formula: wherein each of R1 and R2 is a lower alkyl group; one of R3 and R4 is hydrogen atom or a lower alkoxy group and the other is a lower alkoxy group; and Ring A is a substitute